Bath tub



FIG. 1 is a top plan view of a bath tub showing my new design;

FIG. 2 is a side elevational view thereof, the opposite side beingidentical;

FIG. 3 is a front elevational view thereof, the rear being identical;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a top perspective view thereof.

The ornamental design for the bath tub, as shown and described.